55667642943 has 8 divisors (see below), whose sum is σ = 80971117056. Its totient is φ = 33737965400.

The previous prime is 55667642903. The next prime is 55667642999. The reversal of 55667642943 is 34924676655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55667642943 - 2¹⁰ = 55667641919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55667642903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 843449103 + ... + 843449168.

It is an arithmetic number, because the mean of its divisors is an integer number (10121389632).

Almost surely, 2^55667642943 is an apocalyptic number.

55667642943 is a deficient number, since it is larger than the sum of its proper divisors (25303474113).

55667642943 is a wasteful number, since it uses less digits than its factorization.

55667642943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686898285.

The product of its digits is 32659200, while the sum is 57.

The spelling of 55667642943 in words is "fifty-five billion, six hundred sixty-seven million, six hundred forty-two thousand, nine hundred forty-three".